Add HTML5 data attribute with wikititle, namespace and redirect target for all links on HTML5 enabled wikis. Suggested attribute names:
* `data-mw-title` for Wikititle
* `data-mw-ns` for namespace number
* `data-mw-fragment` for links with fragment
* `data-mw-target` for redirect target
Examples:
* [[https://en.wikipedia.org/wiki/Wikimedia_Commons|Wikimedia Commons]]
* [[https://en.wikipedia.org/wiki/Wikipedia_Commons|Wikipedia Commons]]
* [[https://en.wikipedia.org/wiki/%E2%82%AC|€]]
* [[https://en.wikipedia.org/wiki/Does_not_exist|Does not exist]]
* [[https://en.wikipedia.org/wiki/Wikipedia:Sandbox|Wikipedia:Sandbox]]
* [[https://en.wikipedia.org/wiki/Wikimedia_Commons#Fragment_.E2.82.AC|Wikimedia Commons#Fragment €]]
```lang=html
<a href="/wiki/Wikimedia_Commons"
title="Wikimedia Commons"
data-mw-title="Wikimedia Commons"
data-mw-ns="0"
>Wikimedia Commons</a>
<a href="/wiki/Wikipedia_Commons"
title="Wikipedia Commons"
class="mw-redirect"
data-mw-title="Wikipedia Commons"
data-mw-ns="0"
data-mw-target="Wikimedia Commons"
>Wikipedia Commons</a>
<a href="/wiki/%E2%82%AC"
title="€"
class="mw-redirect"
data-mw-title="€"
data-mw-ns="0"
data-mw-target="Euro sign"
>€</a>
<a href="/w/index.php?title=Does_not_exist&action=edit&redlink=1"
class="new"
title="Does not exist (page does not exist)"
data-mw-title="Does not exist"
data-mw-ns="0"
>Does not exist</a>
<a href="/wiki/Wikipedia:Sandbox"
title="Wikipedia:Sandbox"
data-mw-title="Sandbox"
data-mw-ns="4"
>Wikimedia Commons</a>
<a href="/wiki/Wikimedia_Commons#Fragment_.E2.82.AC"
title="Wikimedia Commons"
data-mw-title="Wikimedia Commons"
data-mw-ns="0"
data-mw-fragment="Fragment €"
>Wikimedia Commons</a>
```